<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=, initial-scale=1.0">
    <title>CSS冲突:继承与层叠</title>
    <link rel="stylesheet" href="css_two.css"type="text/css">
</head>
<body>
    <h1 id="my_title" class="h1_color" style="color: magenta">继承与层叠</h1>
    <p>段落内容</p>
    <div><p>div标签包含p标签内容</p></div> 
</body>
</html>